Ear Problems

For about 8 months now I have been having ear problems. Whenever I talk semi-loud or even normally, I feel a sharp pain in my right ear and it vibrates a little. It also hurts for certain frequencies. In general loud sounds may not hurt me but certain pitches do. I play guitar so I don't know if that has caused my problems. However, even though I play guitar I have noticed that my own voice irritates me more than anything else. My hearing has not worsened, it's just the pain in my ear that seems to be getting more frequent. It happens multiple times a day and I have no idea what may be causing this. I am wondering if anyone has any thoughts on what this may be and what I can do to treat this condition?